New York's José Caballero thought for sure the pitch from Logan Webb had missed the strike zone, so he challenged — making ...

New York Yankees shortstop José Caballero made MLB history as the first player to use the Automated Ball-Strike System, losing his challenge on Opening Day.

That's because "robot umpires," in a sense, have officially arrived to MLB. The human element remains, but players will now ...

Major League Baseball's "robot umpire" made its debut in the season-opening New Yankees-San Francisco Giants game in Oracle Park.